pit bull

American  

[pit bool] / ˈpɪt ˌbʊl /

Informal, pittie or pitbull

noun

1. a stocky, muscular dog with a broad skull and a smooth coat, belonging to an informal category of purebred and mixed-breed dogs that includes the American Staffordshire terrier, the Staffordshire bull terrier, and sometimes the American bulldog or boxer.

2. Also called American pit bull terrier.  American Staffordshire terrier.

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Etymology

Origin of pit bull

First recorded in 1925–30; pit ¹ ( def. ) (in the sense “enclosure for staging animal fights”) + bull(dog) ( def. )

Example Sentences

Then there was the time her pit bull terrier, Thor, barked at a cat outside, jolting the feline skyward.

From The Wall Street Journal • May 5, 2026

When I lived in downtown Phoenix, my pit bull Ziggy once escaped through the fence and disappeared, causing my wife to burst into tears.

From Salon • Feb. 20, 2026

I love being wherever Maybelle, my gentle, white pit bull, is resting.

From The Wall Street Journal • Nov. 4, 2025

The 1991 Act had already banned the ownership of four breeds - the pit bull terrier, the Japanese tosa, dogo argentino and fila brasileiro.

From BBC • Oct. 7, 2025

He had eyes like a pit bull, and shaggy black hair, and he always dressed in expensive but sloppy clothes, like he wanted everybody to see how litde he cared about his family’s money.

From "The Sea of Monsters" by Rick Riordan